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Some Additional Thoughts on Individual Worlds

In this morning’s newspaper I came across an article which I think has some bearing on my recent blog about Individual Worlds (7/31/2015). The idea that certain events can be analyzed into two different and opposite descriptions is called complementarity. For example, depending upon how a physicist is viewing light, it can be thought of either as a wave or as a stream of particles, and in some cases the idea also applies to the macro world. The article this morning was about literature teachers and their problems in reconciling Atticus Finch, the champion of justice in To Kill a Mockingbird, with Atticus Finch, the racist in Go Set a Watchman . Now that we know all about complementarity, it’s not difficult to resolve the dilemma. Atticus views the defense of Tom Robinson as a matter of justice vs. racism. It’s just wave (justice) vs. particle (racism). Although a racist, the young Atticus was first and foremost a believer in justice. Perhaps if he had been in his 70s wh...

Some thoughts on Individual Worlds

It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature . – Neils Bohr. Neils Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory. Although his model of the atom - a nucleus surrounded by orbiting electrons in discrete energy levels - has been supplanted by other models, another of his principles, complementarity, remains valid. Complementarity is the idea that certain events can be analyzed into two different and opposite descriptions. For example, depending upon how the physicist is viewing light, it can be thought of either as a wave or as a stream of particles. This situation occurs because we have no word to describe a single event which exhibits apparently mutually exclusive characteristics, consequently, we have a difficult time imagining how such an event can be possible. As Bohr stated it, “If anybody says he can think about quantum physi...